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Sintering and Characterization of Zr2Al3C5 Monolith

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Abstract:

Zr2Al3C5 has been successfully synthesized via solid state reaction between Al, ZrC and carbon powder at 1600 in vacuum. This complex carbide has very strong bond between metal atoms and carbon atoms. Thus, this material has a potential to be utilized as structural materials. Some properties of Zr2Al3C5 powder from solid-state reaction in vacuum had been tested. It was found that this powder was completely oxidized in air at 900 1 h, and can be hydrated in moist air. These drawbacks might come from the high reactivity of the powder due to synthesis in vacuum. Zr2Al3C5 powder from solid state reaction in vacuum was sintered at various temperatures from 1500 to 2000 under vacuum with pulse electric current sintering (PECS) and pressureless sintering. Zr2Al3C5 started to sinter at 1500 and got partially dense from 1700. Physical properties and mechanical properties of this material were investigated and discussed.

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Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

27-30

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.27

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Online since:

August 2006

Authors:

Uraiwan Leela-adisorn, Seong Min Choi, Shinobu Hashimoto, Sawao Honda, Hideo Awaji, K. Hayakawa, Akira Yamaguchi

Keywords:

Complex Carbide, Hydration Resistance, Mechanical Property, Oxidation Resistance, Pulse Electric Current Sintering, Zr2Al3C5

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

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